MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to 'possessive nouns worksheets for kindergarten'. The presence of a link farm and the ML classifier's high confidence further support malicious intent. The primary attack pattern involves redirecting the user to malicious content via the ttraff.ru URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/wb?keyword=possessive%20nouns%20worksheets%20for%20kindergarten
- http://files.professionalcapitalpartners.com/uploads/1/3/1/4/131438766/4121815.pdf
- http://files.vbgprofessionals.com/uploads/1/3/1/3/131382092/tepaxinogufu-tevirudutojegin-sagiz-natisasupata.pdf
- http://files.getitwright.com/uploads/1/3/0/7/130776788/pufim-fafopunatobi.pdf
- http://files.summerconferenceportland.org/uploads/1/3/1/4/131406811/884349.pdf
- http://files.resourceology360.com/uploads/1/3/0/9/130968994/bamatakaladod.pdf
- http://files.vbgprofessionals.com/uploads/1/
- https://cdn.shopify.com/s/files/1/0431/8868/2915/files/vufizikemuge.pdf
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/joxukotapamaxokupisamowa.pdf
- https://cdn.shopify.com/s/files/1/0433/5003/2549/files/tawutegimuselopetipa.pdf
- https://cdn.shopify.com/s/files/1/0430/0416/6297/files/58523076998.pdf
- https://cdn.shopify.com/s/files/1/0429/3342/0195/files/gekaduruvinunivuxavid.pdf
- https://kipexot.files.wordpress.com/2020/07/38136356171.pdf
- https://vonulomud.files.wordpress.com/2020/07/nubegusawapulivemezi.pdf
- https://ruzufugaf.files.wordpress.com/2020/06/luvepoguzaneta.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17232613021.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8971/files/63922055356.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/77008720422.pdf
- https://cdn.shopify.com/s/files/1/0430/7573/1607/files/75132711203.pdf
- https://cdn.shopify.com/s/files/1/0437/0972/6888/files/70818424248.pdf
- https://cdn.shopify.com/s/files/1/0434/0364/0984/files/86722478950.pdf
- https://cdn.shopify.com/s/files/1/0429/6451/7023/files/92793097407.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006666.bina6c658a5db9b4beeab770359a2de08e1197910fc1dfef84c0b9dd203c98b2c0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6666 | 5236 bytes |
font_01_sfnt_off00007843.bin3a287bc5f9c179843fa652ce0042287997e6e82b6575a26e2a8b93fa1dea1899 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7843 | 10088 bytes |
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